FCC Chairman Tom Wheeler is at the center of a historic debate over how we'll all use the Internet. Fans applaud a consumer-friendly approach. Critics say he'll strangle innovation. Both sides agree he's not afraid to do what he thinks is right.

Snapchat tells its more than 100 million users that some third-party apps pose a threat. But the photo-sharing service doesn't address why outsiders were able to connect to Snapchat in the first place.